Overall, printed bills and their relevancy have been questioned. Kenneth Rogoff, a professor of economics at Harvard, discourages use of the $100 bill. He wrote in a research paper that the big bill can help criminals, especially because it is the highest in print, and the one most commonly used to transfer large funds.

So are we on the cusp of changes to dollar bills? After all, using cash costs Americans $200 billion a year because of the way people spend the money, research has shown. And Americans overall prefer plastic over print, according to another study.

Are women on the bills of the future? If so, who would make their way onto those fat stacks of green?

Here are 12 women we believe deserve a spot on the U.S. dollar:

Susan B. Anthony

Women’s rights got a big push with the help of Susan B. Anthony, who formed the New York State Woman’s Rights Committee and the Women’s New York State Temperance Society, with the help of Elizabeth Cady Stanton. Both organizations fought for women’s rights to own property and vote.